7Savaskan R C, Bhattacharya S, Va Wassenhove L N. Closed-loop supply chain models with product remanufacturing. Management Science. Vol. 50, No. 2, February 2004 : 239-252.
8Heese H S,Cattani K,Ferrer G,et. al. Competitive advantage through take-back of used products. European Journal of Operational Research,2005; 164:143-157.
9Savaskan R C, Van Wassenhove L N. Reverse channel design : the case of competing retailers. Management Science. 2006 ; 52 ( 1 ) : 1-14.
10Louwers D, Kip B J, Peters E. A facility location allocation model for re-using carpet materials. Computers and Industrial Engineering, 1999; 36(4) : 428-434 .